Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Suborder Ptenoglossa Gray, 1853 see Infraorder Ptenoglossa Gray, 1853
           Superfamily Eulimoidea Philippi, 1853
             Family Stiliferidae Adams & Adams, 1853 see Family Eulimidae Philippi, 1853
               01 Genus Stilifer Broderip, 1832
               02 Genus Apicalia Adams, 1862
               03 Genus Goodingia Lützen, 1972
               04 Genus Leutzenia Vaught, 1989, orth. inval. see Genus Luetzenia Rehder, 1980
               05 Genus Microstilifer Warén, 1980
               06 Genus Monogamus Lützen, 1976
               07 Genus Paramegadenus Humphreys & Lützen, 1972
               08 Genus Peasistilifer Warén, 1980
               09 Genus Robillardia Smith, 1889
               10 Genus Semistylifer Cossmann, 1921
               11 Genus Stilapex Iredale, 1925